Add audio instruction.
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@ -271,6 +271,25 @@ int guac_protocol_send_select(guac_socket* socket, const char* protocol);
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*/
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int guac_protocol_send_sync(guac_socket* socket, guac_timestamp timestamp);
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/* MEDIA INSTRUCTIONS */
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/**
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* Sends an audio instruction over the given guac_socket connection.
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*
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* If an error occurs sending the instruction, a non-zero value is
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* returned, and guac_error is set appropriately.
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*
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* @param socket The guac_socket connection to use.
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* @param channel The index of the audio channel the sound should play on.
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* @param mimetype The mimetype of the data being sent.
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* @param duration The duration of the sound being sent, in milliseconds.
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* @param data The audio data to be sent.
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* @param size The number of bytes of audio data to send.
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* @return Zero on success, non-zero on error.
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*/
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int guac_protocol_send_audio(guac_socket* socket, int channel,
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const char* mimetype, int duration, void* data, int size);
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/* DRAWING INSTRUCTIONS */
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/**
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@ -399,6 +399,26 @@ int guac_protocol_send_arc(guac_socket* socket, const guac_layer* layer,
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}
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int guac_protocol_send_audio(guac_socket* socket, int channel,
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const char* mimetype, int duration, void* data, int size) {
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int base64_length = (size + 2) / 3 * 4;
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return
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guac_socket_write_string(socket, "5.audio,")
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|| __guac_socket_write_length_int(socket, channel)
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|| guac_socket_write_string(socket, ",")
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|| __guac_socket_write_length_string(socket, mimetype)
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|| guac_socket_write_string(socket, ",")
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|| __guac_socket_write_length_int(socket, duration)
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|| guac_socket_write_string(socket, ",")
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|| guac_socket_write_int(socket, base64_length)
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|| guac_socket_write_string(socket, ".")
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|| guac_socket_write_base64(socket, data, size)
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|| guac_socket_flush_base64(socket)
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|| guac_socket_write_string(socket, ";");
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}
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int guac_protocol_send_cfill(guac_socket* socket,
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guac_composite_mode mode, const guac_layer* layer,
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